The cost for shipping by the Boston Mailing Company is based on the amount that a customer spends. For customers spending under $50, the shipping rate is $10; for $50 to under $100, the shipping rate is $7; for $100 to under $140, the shipping rate is $4; for $140 and over the shipping rate is $2. What domain interval will have a shipping rate of $4?

(1 point)
Responses

100<s<140
100
<
𝑠
<
140
100 less than s less than 140

100≤s<140
100

𝑠
<
140
100 less than or equal to s less than 140

50≤s<100
50

𝑠
<
100
50 less than or equal to s less than 100

100<s≤140

1 answer

The correct domain interval that will have a shipping rate of $4 is:

100 ≤ s < 140

This indicates that the shipping rate of $4 applies to amounts spent that are greater than or equal to $100 but less than $140.